高等学校化学学报 ›› 2003, Vol. 24 ›› Issue (7): 1246.

• 论文 • 上一篇    下一篇

直接甲醇燃料电池的耐甲醇阴极电催化剂炭载四羧基酞菁钴的研究

李旭光1, 邢巍1, 陆天虹1,2, 季怡萍1, 梁宏莹3, 邵允3   

  1. 1. 中国科学院长春应用化学研究所, 长春 130022;
    2. 南京师范大学化学与环境科学学院, 南京 210097;
    3. 东北师范大学化学学院, 长春 130024
  • 收稿日期:2002-03-26 出版日期:2003-07-24 发布日期:2003-07-24
  • 通讯作者: 陆天虹(1943年生),男,博士,研究员,博士生导师,主要从事化学电源和生物电化学的研究.
  • 基金资助:

    国家“973”项目(批准号:G2000026408);“863”项目(批准号:2001AA320306);吉林省自然科学基金(批准号:20000510)资助

Studies on Methanol-tolerant Cathode Electrocatalysts Cobalt Tetracarboxylic Phthalocyanine Supported on Carbon Black(CoPcTc/C) in Direct Methanol Fuel Cell

LI Xu-Guang1, XING Wei1, LU Tian-Hong1,2, JI Yi-Ping1, LIANG Hong-Ying3, SHAO Yun3   

  1. 1. Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China;
    2. Department of Chemistry and Environment Science, Nanjing Normal University, Nanjing 210097, China;
    3. Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
  • Received:2002-03-26 Online:2003-07-24 Published:2003-07-24

摘要: 比较了甲醇对Pt/C和炭载四羧基酞菁钴(CoPcTc/C)催化氧还原性能的影响.结果表明,甲醇使Pt/C催化氧还原的性能严重降低,而对经800℃热处理的CoPcTc/C(CoPcTc/C-800)基本没有影响;并且CoPcTc/C-800催化氧还原的性能优于经其它温度热处理的CoPcTc/C,CoPcTc/C-800是一种较好的直接甲醇燃料电池的耐甲醇阴极电催化剂.XPS结果表明,CoPcTc/C-800的活性位可能是含CoN4结构的物质和零价Co的混合物.

关键词: CoPcTc/C, DM FC, 氧还原, 耐甲醇, 电催化剂

Abstract: The electrocatalytic performance of Pt/C and cobalt tetracarboxylic phthalocyanine supported on carbon black(CoPcTc/C) for oxygen reduction were compared. The results showed that the presence of methanol reduced seriously the electrocatalytic activities of Pt/C for the oxygen reduction, while it had no effect on that of heat-treated CoPcTc/C at 800 ℃(CoPcTc/C-800). And the electrocatalytic activity of CoPcTc/C-800 for the oxygen reduction was higher than those heat-treated at other temperatures. Therefore, CoPcTc/C-800 was a promising candidate of methanol-tolerant cathode electrocatalyst in DMFC. XPS result reveals that active site of CoPcTc/C-800 may be the composite of CoN4 and Co0.

Key words: CoPcTc/C, DMFC, Oxygen reduction, Methanol-tolerant, Electrocatalyst

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